Princess of His Dreams

Sky walked alongside Luna as she walked across the exterior battlement back to the Guardian's Tower. The dinner had been absolutely delicious, and having been true to his word, Sky had limited himself to just the one glass of wine that he had used to toast the family and friends who had attended his induction.

Now, he was ready to get to work, and he was currently wondering how routine his duty would be. Part of him wanted to assume that facing down the minor nightmares of Equestria would get easier overtime, but on the other hoof, getting used to it was probably a foolish mindset. After all, time and space were bent in unexpected ways in the dream realm, and the last thing his duty would probably ever be is predictable.

"Was dinner enjoyable, Sky?" Luna asked as they entered the tower and began to ascend the steps.

"Very much, yes. I'm looking forward to maintaining my culinary relationship with Princess Celestia, as well," Sky answered.

"Just as I look forward to your skills developing in the dream realm, I am also eager to see how far you go in your culinary hobby. I will have to make it a habit of joining you two for dinner and breakfast more often," Luna told him as they passed through the curtain of fog once more, and stepped into the top room in the tower, back into the nursery.

Sky wasn't even halfway across the room before he felt himself go weightless as he was taken over to the changing table. His more formal articles of clothing were quickly and magically removed, leaving him in just his black onesie, which Luna promptly unsnapped at the crotch as soon as he was laying on his back.

"But now to get you ready for tonight," Luna said, untaping his wet diaper once the unsnapped ends of the onesie were folded up and out of the way.

Sky was content to lay back on the changing table as Luna went about getting him changed in a very efficient and professional manner. After pulling the wet diaper away, unfolding a clean one and getting it slid underneath him, rather than grabbing the bottle of foal powder, she focused her magic down near his loins for just a moment, before a faintly glowing orb floated down from the tip of her horn to his stallionhood, before dissolving into a mist that enveloped his nether regions for just a moment, before fading entirely.

"Luna?" Sky asked, his curiosity undoubtedly piqued.

"Your fetish fuels your imagination, which in turn is your strength in the dream realm. It would be best if that strength is maintained throughout the night, so that spell will prevent you from accidentally... Or purposefully... Achieving release, as that would no doubt cause your strength to wane for a time, and possibly place you in danger," Luna explained.

Sky quickly processed the Princess' words, and came to the only logical conclusion.

"So... You just cast a magical chastity spell on me?" The pegasus asked.

Luna smiled.

"Very astute. Besides, wouldn't you rather save yourself for the end of your shift, and thus get a good day's sleep?" She asked with a wink.

Sky blushed lightly, but ultimately knew that Luna had a very good point; he wouldn't want his mind to wander down to his loins and get distracted from his nightly responsibilities.

With the spell cast, she took the bottle of foal powder, twisted the cap open, and gave his nether region a quick dusting, before bringing the front of the diaper up between his hind legs and taping it securely, before refastening the buttons on his black onesie.

"Alright, you're all set for tonight, Sky. Just to be clear, these next several nights are mainly to get you more acquainted with the dream realm. There will be some nights that are collectively more restful than others, and on those nights, your aid won't be needed, and on those nights, your, shall we say, 'playtime', will be much more abundant. But for now, the dreams await, my Guardian," Luna told him.

Intrigued by what he could possibly get up to on the nights he wasn't needed, his first official day on the job was about to begin. Giving the Princess of the Night a determined nod, he trotted towards the tower window that showed the endless starry expanse of the dream realm, put his front hooves up on the windowsill, then leapt out into the sea of stars.